Украинский Государственный Геологоразведочный Институт
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A cumulative charge of perforator includes a shell with explosive substance placed in it, with cumulative depression, cumulative lining made of powder material. The side surface of the cumulative lining is formed by planes arranged in such a way that adjoining ones of those form linear cumulative linings one with another.
UAU201111765U2011-10-052011-10-05Cumulative charge of perforator
UA69632U
(en)
Process for recovering copper from heap leaching rubble, which comprises mixing said rubble with a material to form a mixture or agglomerating the rubble of the leaching into batteries, and leaching the pile of the rubble treated of the leaching into batteries with a solution of leaching.